Finding the Fourth Proportional to 626,722.18, 864,887.02 and 340,242.19
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Solution
The fourth proportional to 626,722.18, 864,887.02 and 340,242.19 is: 469,539.87
Step by Step Solution
- Step 1: Write the proportion equation
626,722.18 : 864,887.02 = 340,242.19 : x - Step 2: Convert to fraction form
626,722.18/864,887.02 = 340,242.19/x - Step 3: Cross multiply
626,722.18x = 864,887.02 × 340,242.19 - Step 4: Simplify right side
626,722.18x = 294,271,050,774.55 - Step 5: Solve for x
x = 294,271,050,774.55/626,722.18 - Step 6: Final answer
x = 469,539.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.